body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
}
.header {
  width: 100%;
  height: 60px;
  background-color: #fff;
  z-index: 99;
  box-shadow: 0 7px 7px -7px rgba(0, 0, 0, 0.2);
  position: fixed;
}
@keyframes slideInRight {
  from {
    left: -100%; /* 动画开始时，抽屉在屏幕左侧之外 */
  }
  to {
    left: 0; /* 动画结束时，抽屉完全滑入屏幕 */
  }
}
.header-page {
  position: absolute;
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: stretch;

  animation: slideInRight 1s ease-out forwards; /* 应用动画 */
}
.header-mid {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 7px;
}
.header-left {
  padding-left: 45px;
  width: 35%;
  display: flex;
  align-items: center;
}
.header-right {
  width: 35%;
  font-size: 24px;
  display: flex;
  align-items: center;
  padding-right: 60px;
  justify-content: end;
}
.header-menu-item {
  display: inline;
  margin-right: 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.header-menu-item:hover{
  text-decoration: underline;
}
